Systems Engineer Sr. Staff - SE & IT

Reference: 735443BRPosted: 2026-07-27Location: Huntsville, AlabamaClearance: SecretCompany: Lockheed MartinDescription:WHAT WE'RE DOING• Advancing the Integrated Discrimination and Electronic Protection capabilities of the Missile Defense System (MDS)• Leading systems engineering trades, analysis, and studies related to requirements generation• Developing and delivering MDS capabilities and engineering artifacts into the Technical Baseline (TBL)THE WORKNational Team employees may have the opportunity to work on a variety of niche projects based on their backgrounds. MBSE Tools Administrator establishes and administers the Tool Suite to enable model-based systems engineering environment in support of requirements development for the Missile Defense Agency. This includes access control and configuration control for multiple users of Missile Defense System requirements as depicted in the IBM Rational DOORS database, and their connectivity to the system-level architecture/Use Cases maintained in the MBSE Architect tool. Individual will adhere to the Program Configuration Management Plan for the MBSE Tool Suite, enabling multiple users to share the Technical Baseline data, while maintaining strict access control and data integrity. SPECIFIC DUTIES INCLUDE:- Development or update of schema needed for multiple users, configuration control of requirement/interface/architecture baseline products, generation of reports/artifacts from the tool, preparation of deliverables to customer, managing user access, conducting user training, documenting/updating process as well as procedural guides & checklists, supporting engineering design tasks; customizing the tool as needed, executing upgrades, and troubleshooting problemsContribute to publishing change notices to the MDS specification and update of requirements databases, architectural models, interface definitions, and DoDAF 2+ compliant based design packages to document, allocate and trace BMD system and element level requirements.WHO YOU ARE• Experienced in systems engineering, particularly in requirements generation, concept development, analysis, and simulation• Skilled in leading technical teams and providing oversight in a complex engineering environment• Proficient in interfacing with technical stakeholders and managing technical documentation and baselines• Adept at preparing and delivering technical briefings and engineering products• Strong project management skills with experience in monitoring tasks, schedules, scope, and costsWHY JOIN US• Excellent benefits and amenities.• Ongoing career development and support.• Rewards and recognition for your hard work.• Medical and dental coverage.• 401k retirement savings plan.• Paid time off for work/life balance.• Mentorship opportunitiesBasic Qualifications:*Active Secret *- BS in Engineering STEM field- At least 5 years of hands-on experience performing software and/or systems integration and testing of software applications in the integration lab including virtualized environments- Administrator knowledge and hands-on experience using the IBM Rational DOORS toolset; working knowledge of UML-based system modeling- Code manipulation using DXL, JavaScript, or VBA script usage within DOORSDesired Skills:- Demonstrate ability to think critically and capture concepts in papers, presentations, and discussions- Capable of working both independently and within a small team- Good writing, organizing, verbal and written communication/collaboration skills- 10 years of experience using and maintaining system engineering tools and processes. Experience with code manipulation using DXL or VBA script usage within DOORS is a plus. - Demonstrated experience working within a complex system-of-systems requirements environment for missile defense applications or similar domains (air combat, air defense, intercept of ballistic targets, intercept of non-ballistic targets, space vehicles, sub-orbital mechanics, etc.) or other complex Department of Defense programs. - Experience with systems engineering design and specification documentation is desired. Experience with UNICOM System Architect tool or equivalent (Magic Draw, Cameo, etc.) is a plus.Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.Clearance Level: SecretOther Important Information You Should KnowExpression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.Schedule for this Position: 4x10 hour day, 3 days off per weekLockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.Join us at Lockheed Martin, where your mission is ours. Our customers tackle the hardest missions. Those that demand extraordinary amounts of courage, resilience and precision. They’re dangerous. Critical. Sometimes they even provide an opportunity to change the world and save lives. Those are the missions we care about.As a leading technology innovation company, Lockheed Martin’s vast team works with partners around the world to bring proven performance to our customers’ toughest challenges. Lockheed Martin has employees based in many states throughout the U.S., and Internationally, with business locations in many nations and territories.Experience Level: Experienced ProfessionalBusiness Unit: RMSRelocation Available: NoCareer Area: Systems Engineering: OtherType: Task Order/IDIQShift: First